**Explanation:**

The correct answer for the number of ships sailing in a company is option 'B', which is "Fleet".

**Fleet:**
- A fleet refers to a group or collection of ships that are owned or operated by a particular company or organization.
- It represents a company's or organization's entire collection of ships or vessels.
- A fleet can consist of various types of ships, such as cargo ships, passenger ships, naval ships, or fishing vessels.
- The term "fleet" is commonly used in the maritime industry to describe a company's maritime assets.

**Other Options:**

a) Port:
- A port refers to a location or harbor where ships can dock to load or unload cargo and passengers.
- It is a facility where ships can find shelter, refuel, and undergo maintenance.
- Ports are not used to describe the number of ships in a company.

c) Coastal:
- Coastal refers to the area or region along the coast or shoreline.
- It is not directly related to the number of ships in a company.

d) Shipload:
- Shipload refers to the amount of cargo that a ship can carry.
- It indicates the capacity of a ship to transport goods.
- Shipload is not used to describe the number of ships in a company.

Therefore, the correct answer is option 'B', which represents a fleet as the number of ships sailing in a company.